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# opkbuild
# lib/deps
# Functions for parsing dependency field values.
#
# Copyright (C) 2012 Patrick "P. J." McDermott
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
[ -n "${_OB_DEPS_SM}" ] && return 0
_OB_DEPS_SM='true'
ob_parse_dep()
{
_obpd_opt=
_obpd_pkg_var=
_obpd_archqual_var=
_obpd_rel_var=
_obpd_ver_var=
_obpd_arches_var=
_obpd_host_arch=
_obpd_dep=
_obpd_pkgarchqual=
_obpd_relver=
_obpd_arches=
while getopts 'p:q:r:v:A:a:' _obpd_opt; do
case "${_obpd_opt}" in
p)
_obpd_pkg_var="${OPTARG}"
;;
q)
_obpd_archqual_var="${OPTARG}"
;;
r)
_obpd_rel_var="${OPTARG}"
;;
v)
_obpd_ver_var="${OPTARG}"
;;
A)
_obpd_arches_var="${OPTARG}"
;;
a)
_obpd_host_arch="${OPTARG}"
;;
?)
#unset
return 125
;;
esac
done
shift $(($OPTIND - 1))
if [ "${#}" -eq 1 ]; then
# Separate components with spaces.
_obpd_dep="$(echo "${1}" | \
sed 's/\([(\[]\)/ \1/g;s/\([<>=][<>=]*\)/\1 /g')"
# Remove leading, trailing, and duplicate spaces.
_obpd_dep="$(IFS=' ' echo ${_obpd_dep})"
else
#unset
return 125
fi
# <pkg>[:<archqual>] [(<rel> <ver>)] [\[<arches>\]]
_obpd_pkgarchqual="${_obpd_dep%% *}"
_obpd_dep=" ${_obpd_dep#* }"
if [ -n "${_obpd_pkg_var}" ]; then
eval "${_obpd_pkg_var}=${_obpd_pkgarchqual%:*}"
fi
if [ -n "${_obpd_archqual_var}" ]; then
eval "${_obpd_archqual_var}=${_obpd_pkgarchqual##*:}"
fi
if [ "${_obpd_dep# (*)}" != "${_obpd_dep}" ]; then
_obpd_relver="${_obpd_dep# (}"
_obpd_relver="${_obpd_relver%%)*}"
_obpd_dep="${_obpd_dep#(*)}"
if [ -n "${_obpd_rel_var}" ]; then
eval "${_obpd_rel_var}=${_obpd_relver% *}"
fi
if [ -n "${_obpd_ver_var}" ]; then
eval "${_obpd_ver_var}=${_obpd_relver##* }"
fi
fi
if [ "${_obpd_dep# \[*\]}" != "${_obpd_dep}" ]; then
_obpd_arches="${_obpd_dep# \[}"
_obpd_arches="${_obpd_arches%%\]*}"
# TODO: Reduce arch is host arch is given.
if [ -n "${_obpd_arches_var}" ]; then
eval "${_obpd_arches_var}=${_obpd_arches}"
fi
fi
return 0
}
ob_reduce_deps()
{
_obrd_opt=
_obrd_host_arch=
_obrd_union=false
_obrd_deps=
_obrd_orig_ifs=
_obrd_dep_and=
_obrd_dep_or=
while getopts 'a:u' _obrd_opt; do
case "${_obrd_opt}" in
a)
_obrd_host_arch="${OPTARG}"
;;
u)
_obrd_union=true
;;
?)
#unset
return 125
;;
esac
done
shift $(($OPTIND - 1))
if [ "${#}" -eq 1 ]; then
_obrd_deps="${1}"
else
#unset
return 125
fi
_obrd_orig_ifs="${IFS}"
IFS=', '
for _obrd_dep_and in ${_obrd_deps}; do
if ! ${_obrd_union}; then
IFS='| '
for _obrd_dep_or in ${_obrd_deps}; do
:
done
else
:
fi
done
return 0
}
_ob_dep_arch_is_concerned()
{
_obdaic_host_arch="${1}"
_obdaic_arches="${2}"
_obdaic_arch=
_obdaic_not_arch=
_obdaic_seen_arch=1
for _obdaic_arch in ${_obdaic_arches}; do
_obdaic_not_arch="${_obdaic_arch#!}"
if [ "${_obdaic_not_arch}" != "${_obdaic_arch}" ]; then
if ob_match_arch "${_obdaic_host_arch}" "${_obdaic_not_arch}"; then
_obdaic_seen_arch=1
break
else
_obdaic_seen_arch=0
fi
elif ob_match_arch "${_obdaic_host_arch}" "${_obdaic_arch}"; then
_obdaic_seen_arch=0
break
fi
done
unset _obdaic_host_arch _obdaic_arches _obdaic_arch _obdaic_not_arch
return ${_obdaic_seen_arch}
}
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